BMC injection molding process characteristics and production advantages

BMC injection molding process characteristics

With increasing application of thermoset composites, understanding BMC injection molding is important. Characteristics: 1) Material is a fiber-reinforced thermoset with limited flow, 2) Injection temperatures are lower than thermoplastics (barrel 30-50C, mold 140-170C), 3) Screw design must minimize fiber breakage, 4) Cure time is the longest part of the cycle, 5) Parts exhibit excellent heat and chemical resistance.